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Fri, 18 Aug 2017 04:21:46 +0000FeedCreator 1.7.2-mod180Study solves mystery of how first animals appeared on Earthhttp://www.lifesciencesworld.com/news/view/326016
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Research led by The Australian National University (ANU) has solved the mystery of how the first animals appeared on Earth, a pivotal moment for the planet without which humans would not exist. Lead researcher Associate Professor Jochen Brocks said the team found the answer in ancient sedimentary rocks from central Australia. &#8220;We crushed these rocks to powder and extracted molecules of ancient organisms from them,&#8221; said Dr Brocks from the ANU Research Sc&#8230;NewsWed, 16 Aug 2017 04:00:00 +0000http://www.lifesciencesworld.com/news/view/326016Human-caused warming likely led to recent streak of record-breaking temperatureshttp://www.lifesciencesworld.com/news/view/325607
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WASHINGTON D.C. - It is &#8220;extremely unlikely&#8221; 2014, 2015 and 2016 would have been the warmest consecutive years on record without the influence of human-caused climate change, according to the authors of a new study. Temperature records were first broken in 2014, when that year became the hottest year since global temperature records began in 1880. These temperatures were then surpassed in 2015 and 2016, making last year the hottest year ever recorded. In 2016, the&#8230;NewsThu, 10 Aug 2017 04:00:00 +0000http://www.lifesciencesworld.com/news/view/325607Environmental policy, pollution and economic growthhttp://www.lifesciencesworld.com/news/view/325545
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As the global population continues to urbanize in pursuit of a higher quality of life, the need to investigate the trade-off between the economic benefits and environmental costs of urbanization has never been greater. More than half of the world&#39;s population currently lives in urban areas, and the United Nations projects another 2.5 billion people will move to cities by 2050. While firms cluster in cities to recruit talent and realize higher productivity gains, how pollution scal&#8230;NewsWed, 09 Aug 2017 04:00:00 +0000http://www.lifesciencesworld.com/news/view/325545Damming and its effects on fishhttp://www.lifesciencesworld.com/news/view/325480
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IMAGE:&#160;Adult alewife that was transported above impassable barriers and released into Potanipo Lake, NH. Adult alewife spawn in freshwater lakes before returning to the ocean. Credit: Steven Mattocks Fish that migrate between freshwater and sea ecosystems play&#8230;NewsWed, 09 Aug 2017 04:00:00 +0000http://www.lifesciencesworld.com/news/view/325480Warm periods in the 20th century are not unprecedented during the last 2,000 yearshttp://www.lifesciencesworld.com/news/view/325369
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A great deal of evidence relating to ancient climate variation is preserved in proxy data such as tree rings, lake sediments, ice cores, stalagmites, corals and historical documents, and these sources carry great significance in evaluating the 20th century warming in the context of the last two millennia. Prof. Quansheng Ge and his group from the Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, collected a large number of proxie&#8230;NewsTue, 08 Aug 2017 04:00:00 +0000http://www.lifesciencesworld.com/news/view/325369Recreating the wild: De-extinction, technology, and the ethics of conservationhttp://www.lifesciencesworld.com/news/view/325225
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Is extinction forever? Efforts are under way to use gene editing and other tools of biotechnology to &#8220;recreate&#8221; extinct species such as the woolly mammoth and the passenger pigeon. Could such &#8220;de-extinction&#8221; initiatives aid conservation by reviving species lost to habitat destruction and climate change? Or are they more likely to hinder conservation? What should the guiding ideals of conservation be in a new age of biotechnology? These are some of the questions add&#8230;NewsFri, 04 Aug 2017 04:00:00 +0000http://www.lifesciencesworld.com/news/view/325225Humans have been altering tropical forests for at least 45,000 yearshttp://www.lifesciencesworld.com/news/view/325080
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IMAGE:&#160;Despite previous notions of tropical forests as &#39;green deserts&#39; not suitable for human habitation&#160; Credit: Patrick Roberts The first review of the global impact of humans on tropical forests in the ancient past shows that humans have been a&#8230;NewsThu, 03 Aug 2017 04:00:00 +0000http://www.lifesciencesworld.com/news/view/325080What flowers looked like 100 million years agohttp://www.lifesciencesworld.com/news/view/324986
[NEWS]
IMAGE:&#194;&#160;The new study offers for the first time a simple, plausible scenario to explain the spectacular diversity of floral forms. view more&#194;&#160; Credit: Copyright&#8230;NewsWed, 02 Aug 2017 04:00:00 +0000http://www.lifesciencesworld.com/news/view/324986Historical wildlife trends reliable for predicting species at riskhttp://www.lifesciencesworld.com/news/view/324993
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Some of the methods used to predict at risk species are trend-based - an indicator of what happens gradually over time - while others are trait based, which uses signs of climate change in the current environment. Mix these methods together, however, and you get an unreliable set of results, scientist have found. The researchers are calling for guidelines produced by the International Union for Conservation of Nature (IUCN) Red List, the world&#39;s main authority on &#8230;NewsWed, 02 Aug 2017 04:00:00 +0000http://www.lifesciencesworld.com/news/view/324993Geologist offers new clues to cause of world's greatest extinctionhttp://www.lifesciencesworld.com/news/view/324753
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A study by a researcher in the Syracuse University College of Arts and Sciences offers new clues to what may have triggered the world&#39;s most catastrophic extinction, nearly 252 million years ago. James Muirhead, a research associate in the Department of Earth Sciences, is the co-author of an article in Nature Communications (Macmillan Publishers Limited, 2017) titled &#8220;Initial Pulse of Siberian Traps Sills as the Trigger of the End-Permian Mass Extinction.&amp;quo&#8230;NewsMon, 31 Jul 2017 04:00:00 +0000http://www.lifesciencesworld.com/news/view/324753